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#
# This file is part of pyasn1 software.
#
# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
# License: http://snmplabs.com/pyasn1/license.html
#
import sys
try:
import unittest2 as unittest
except ImportError:
import unittest
from tests.base import BaseTestCase
from pyasn1.type import tag
from pyasn1.type import namedtype
from pyasn1.type import univ
from pyasn1.codec.der import encoder
from pyasn1.compat.octets import ints2octs
class OctetStringEncoderTestCase(BaseTestCase):
def testDefModeShort(self):
assert encoder.encode(
univ.OctetString('Quick brown fox')
) == ints2octs((4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
def testDefModeLong(self):
assert encoder.encode(
univ.OctetString('Q' * 10000)
) == ints2octs((4, 130, 39, 16) + (81,) * 10000)
class BitStringEncoderTestCase(BaseTestCase):
def testDefModeShort(self):
assert encoder.encode(
univ.BitString((1,))
) == ints2octs((3, 2, 7, 128))
def testDefModeLong(self):
assert encoder.encode(
univ.BitString((1,) * 80000)
) == ints2octs((3, 130, 39, 17, 0) + (255,) * 10000)
class SetOfEncoderTestCase(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
self.s = univ.SetOf(componentType=univ.OctetString())
def testDefMode1(self):
self.s.clear()
self.s.append('a')
self.s.append('ab')
assert encoder.encode(self.s) == ints2octs((49, 7, 4, 1, 97, 4, 2, 97, 98))
def testDefMode2(self):
self.s.clear()
self.s.append('ab')
self.s.append('a')
assert encoder.encode(self.s) == ints2octs((49, 7, 4, 1, 97, 4, 2, 97, 98))
def testDefMode3(self):
self.s.clear()
self.s.append('b')
self.s.append('a')
assert encoder.encode(self.s) == ints2octs((49, 6, 4, 1, 97, 4, 1, 98))
def testDefMode4(self):
self.s.clear()
self.s.append('a')
self.s.append('b')
assert encoder.encode(self.s) == ints2octs((49, 6, 4, 1, 97, 4, 1, 98))
class SetWithAlternatingChoiceEncoderTestCase(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
c = univ.Choice(componentType=namedtype.NamedTypes(
namedtype.NamedType('name', univ.OctetString()),
namedtype.NamedType('amount', univ.Boolean()))
)
self.s = univ.Set(componentType=namedtype.NamedTypes(
namedtype.NamedType('value', univ.Integer(5)),
namedtype.NamedType('status', c))
)
def testComponentsOrdering1(self):
self.s.setComponentByName('status')
self.s.getComponentByName('status').setComponentByPosition(0, 'A')
assert encoder.encode(self.s) == ints2octs((49, 6, 2, 1, 5, 4, 1, 65))
def testComponentsOrdering2(self):
self.s.setComponentByName('status')
self.s.getComponentByName('status').setComponentByPosition(1, True)
assert encoder.encode(self.s) == ints2octs((49, 6, 1, 1, 255, 2, 1, 5))
class SetWithTaggedChoiceEncoderTestCase(BaseTestCase):
def testWithUntaggedChoice(self):
c = univ.Choice(
componentType=namedtype.NamedTypes(
namedtype.NamedType('premium', univ.Boolean())
)
)
s = univ.Set(
componentType=namedtype.NamedTypes(
namedtype.NamedType('name', univ.OctetString()),
namedtype.NamedType('customer', c)
)
)
s.setComponentByName('name', 'A')
s.getComponentByName('customer').setComponentByName('premium', True)
assert encoder.encode(s) == ints2octs((49, 6, 1, 1, 255, 4, 1, 65))
def testWithTaggedChoice(self):
c = univ.Choice(
componentType=namedtype.NamedTypes(
namedtype.NamedType('premium', univ.Boolean())
)
).subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 7))
s = univ.Set(
componentType=namedtype.NamedTypes(
namedtype.NamedType('name', univ.OctetString()),
namedtype.NamedType('customer', c)
)
)
s.setComponentByName('name', 'A')
s.getComponentByName('customer').setComponentByName('premium', True)
assert encoder.encode(s) == ints2octs((49, 8, 4, 1, 65, 167, 3, 1, 1, 255))
class NestedOptionalSequenceEncoderTestCase(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
inner = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('first-name', univ.OctetString()),
namedtype.DefaultedNamedType('age', univ.Integer(33)),
)
)
outerWithOptional = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('inner', inner),
)
)
outerWithDefault = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.DefaultedNamedType('inner', inner),
)
)
self.s1 = outerWithOptional
self.s2 = outerWithDefault
def __initOptionalWithDefaultAndOptional(self):
self.s1.clear()
self.s1[0][0] = 'test'
self.s1[0][1] = 123
return self.s1
def __initOptionalWithDefault(self):
self.s1.clear()
self.s1[0][1] = 123
return self.s1
def __initOptionalWithOptional(self):
self.s1.clear()
self.s1[0][0] = 'test'
return self.s1
def __initOptional(self):
self.s1.clear()
return self.s1
def __initDefaultWithDefaultAndOptional(self):
self.s2.clear()
self.s2[0][0] = 'test'
self.s2[0][1] = 123
return self.s2
def __initDefaultWithDefault(self):
self.s2.clear()
self.s2[0][0] = 'test'
return self.s2
def __initDefaultWithOptional(self):
self.s2.clear()
self.s2[0][1] = 123
return self.s2
def testDefModeOptionalWithDefaultAndOptional(self):
s = self.__initOptionalWithDefaultAndOptional()
assert encoder.encode(s) == ints2octs((48, 11, 48, 9, 4, 4, 116, 101, 115, 116, 2, 1, 123))
def testDefModeOptionalWithDefault(self):
s = self.__initOptionalWithDefault()
assert encoder.encode(s) == ints2octs((48, 5, 48, 3, 2, 1, 123))
def testDefModeOptionalWithOptional(self):
s = self.__initOptionalWithOptional()
assert encoder.encode(s) == ints2octs((48, 8, 48, 6, 4, 4, 116, 101, 115, 116))
def testDefModeOptional(self):
s = self.__initOptional()
assert encoder.encode(s) == ints2octs((48, 0))
def testDefModeDefaultWithDefaultAndOptional(self):
s = self.__initDefaultWithDefaultAndOptional()
assert encoder.encode(s) == ints2octs((48, 11, 48, 9, 4, 4, 116, 101, 115, 116, 2, 1, 123))
def testDefModeDefaultWithDefault(self):
s = self.__initDefaultWithDefault()
assert encoder.encode(s) == ints2octs((48, 8, 48, 6, 4, 4, 116, 101, 115, 116))
def testDefModeDefaultWithOptional(self):
s = self.__initDefaultWithOptional()
assert encoder.encode(s) == ints2octs((48, 5, 48, 3, 2, 1, 123))
class NestedOptionalChoiceEncoderTestCase(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
layer3 = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('first-name', univ.OctetString()),
namedtype.DefaultedNamedType('age', univ.Integer(33)),
)
)
layer2 = univ.Choice(
componentType=namedtype.NamedTypes(
namedtype.NamedType('inner', layer3),
namedtype.NamedType('first-name', univ.OctetString())
)
)
layer1 = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('inner', layer2),
)
)
self.s = layer1
def __initOptionalWithDefaultAndOptional(self):
self.s.clear()
self.s[0][0][0] = 'test'
self.s[0][0][1] = 123
return self.s
def __initOptionalWithDefault(self):
self.s.clear()
self.s[0][0][1] = 123
return self.s
def __initOptionalWithOptional(self):
self.s.clear()
self.s[0][0][0] = 'test'
return self.s
def __initOptional(self):
self.s.clear()
return self.s
def testDefModeOptionalWithDefaultAndOptional(self):
s = self.__initOptionalWithDefaultAndOptional()
assert encoder.encode(s) == ints2octs((48, 11, 48, 9, 4, 4, 116, 101, 115, 116, 2, 1, 123))
def testDefModeOptionalWithDefault(self):
s = self.__initOptionalWithDefault()
assert encoder.encode(s) == ints2octs((48, 5, 48, 3, 2, 1, 123))
def testDefModeOptionalWithOptional(self):
s = self.__initOptionalWithOptional()
assert encoder.encode(s) == ints2octs((48, 8, 48, 6, 4, 4, 116, 101, 115, 116))
def testDefModeOptional(self):
s = self.__initOptional()
assert encoder.encode(s) == ints2octs((48, 0))
class NestedOptionalSequenceOfEncoderTestCase(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
layer2 = univ.SequenceOf(
componentType=univ.OctetString()
)
layer1 = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('inner', layer2),
)
)
self.s = layer1
def __initOptionalWithValue(self):
self.s.clear()
self.s[0][0] = 'test'
return self.s
def __initOptional(self):
self.s.clear()
return self.s
def testDefModeOptionalWithValue(self):
s = self.__initOptionalWithValue()
assert encoder.encode(s) == ints2octs((48, 8, 48, 6, 4, 4, 116, 101, 115, 116))
def testDefModeOptional(self):
s = self.__initOptional()
assert encoder.encode(s) == ints2octs((48, 0))
class EmptyInnerFieldOfSequenceEncoderTestCase(BaseTestCase):
def testInitializedOptionalNullIsEncoded(self):
self.s = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('null', univ.Null())
)
)
self.s.clear()
self.s[0] = ''
assert encoder.encode(self.s) == ints2octs((48, 2, 5, 0))
def testUninitializedOptionalNullIsNotEncoded(self):
self.s = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('null', univ.Null())
)
)
self.s.clear()
assert encoder.encode(self.s) == ints2octs((48, 0))
def testInitializedDefaultNullIsNotEncoded(self):
self.s = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.DefaultedNamedType('null', univ.Null(''))
)
)
self.s.clear()
self.s[0] = ''
assert encoder.encode(self.s) == ints2octs((48, 0))
def testInitializedOptionalOctetStringIsEncoded(self):
self.s = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('str', univ.OctetString())
)
)
self.s.clear()
self.s[0] = ''
assert encoder.encode(self.s) == ints2octs((48, 2, 4, 0))
def testUninitializedOptionalOctetStringIsNotEncoded(self):
self.s = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.OptionalNamedType('str', univ.OctetString())
)
)
self.s.clear()
assert encoder.encode(self.s) == ints2octs((48, 0))
def testInitializedDefaultOctetStringIsNotEncoded(self):
self.s = univ.Sequence(
componentType=namedtype.NamedTypes(
namedtype.DefaultedNamedType('str', univ.OctetString(''))
)
)
self.s.clear()
self.s[0] = ''
assert encoder.encode(self.s) == ints2octs((48, 0))
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
unittest.TextTestRunner(verbosity=2).run(suite)
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